128667

128,667 is an odd composite number composed of four prime numbers multiplied together.

What does the number 128667 look like?

This visualization shows the relationship between its 4 prime factors (large circles) and 16 divisors.

128667 is an odd composite number. It is composed of four distinct prime numbers multiplied together. It has a total of sixteen divisors.

Prime factorization of 128667:

3 × 7 × 11 × 557

See below for interesting mathematical facts about the number 128667 from the Numbermatics database.

Names of 128667

Cardinal: 128667 can be written as One hundred twenty-eight thousand, six hundred sixty-seven.

Scientific notation

Scientific notation: 1.28667 × 10⁵

Factors of 128667

Number of distinct prime factors ω(n): 4
Total number of prime factors Ω(n): 4
Sum of prime factors: 578

Divisors of 128667

Number of divisors d(n): 16
Complete list of divisors:
1 3 7 11 21 33 77 231 557 1671 3899 6127 11697 18381 42889 128667
Sum of all divisors σ(n): 214272
Sum of proper divisors (its aliquot sum) s(n): 85605
128667 is a deficient number, because the sum of its proper divisors (85605) is less than itself. Its deficiency is 43062

Bases of 128667

Binary: 11111011010011011₂
Hexadecimal: 0x1F69B
Base-36: 2RA3

Squares and roots of 128667

128667 squared (128667²) is 16555196889
128667 cubed (128667³) is 2130107518116963
The square root of 128667 is 358.7018260337
The cube root of 128667 is 50.4842286469

Scales and comparisons

How big is 128667?

128,667 seconds is equal to 1 day, 11 hours, 44 minutes, 27 seconds.
To count from 1 to 128,667 would take you about eleven hours.

This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)
A cube with a volume of 128667 cubic inches would be around 4.2 feet tall.

Recreational maths with 128667

128667 backwards is 766821
The number of decimal digits it has is: 6
The sum of 128667's digits is 30
More coming soon!

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The information we have on file for 128667 includes mathematical data and numerical statistics calculated using standard algorithms and methods. We are adding more all the time. If there are any features you would like to see, please contact us. Information provided for educational use, intellectual curiosity and fun!

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